Solid Polymer Electrolyte-Coated Macroporous Titania Nanotube Photoelectrode for Gas-Phase Water Splitting.
作者： Fumiaki Amano , Hyosuke Mukohara , Ayami Shintani , Kenyou Tsurui
关键词: Surface coating 、 Materials science 、 Chemical engineering 、 Electrolyte 、 Electrode 、 Water splitting 、 Hydrogen production 、 Proton exchange membrane fuel cell 、 Energy conversion efficiency 、 Nanotube
摘要: Photoelectrochemical (PEC) water vapor splitting by using n‐type semiconductor electrodes with a proton exchange membrane (PEM) enabled pure hydrogen production from humidity in ambient air. We proved a design concept that the gas–electrolyte–semiconductor triple‐phase boundary on a nanostructured photoanode is important for the photoinduced gas‐phase reaction. A surface coating of solid‐polymer electrolyte on a macroporous titania‐nanotube array (TNTA) electrode markedly enhanced the incident photon‐to‐current …
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